A248897 - cp's OEIS frontend

A248897 Decimal expansion of Sum_{i >= 0} (i!)^2/(2*i+1)!.

n	a(n)
1	1
2	2
3	0
4	9
5	1
6	9
7	9
8	5
9	7
10	6
11	1
12	5
13	6
14	1
15	4
16	5
17	2
18	3
19	3
20	7
21	2
22	9
23	3
24	8
25	5
26	5
27	0
28	5
29	0
30	9
31	4
32	7
33	7
34	0
35	4
36	8
37	8
38	1
39	8
40	9
41	3
42	7
43	7
44	4
45	9
46	8
47	7
48	2
49	8
50	4
51	9
52	3
53	7
54	1
55	7
56	0
57	4
58	6
59	5
60	8
61	9
62	9
63	5
64	6
65	9
66	2
67	5
68	4
69	1
70	5
71	4
72	5
73	4
74	0
75	8
76	4
77	2
78	3
79	5
80	9
81	2
82	2
83	4
84	5
85	6
86	0
87	8

[1, 2, 0, 9, 1, 9, 9, 5, 7, 6, 1, 5, 6, 1, 4, 5, 2, 3, 3, 7, 2, 9, 3, 8, 5, 5, 0, 5, 0, 9, 4, 7, 7, 0, 4, 8, 8, 1, 8, 9, 3, 7, 7, 4, 9, 8, 7, 2, 8, 4, 9, 3, 7, 1, 7, 0, 4, 6, 5, 8, 9, 9, 5, 6, 9, 2, 5, 4, 1, 5, 4, 5, 4, 0, 8, 4, 2, 3, 5, 9, 2, 2, 4, 5, 6, 0, 8]

cp's OEIS Frontend

A248897 Decimal expansion of Sum_{i >= 0} (i!)^2/(2*i+1)!.

Table of values

List of values

n	a(n)
1	1
2	2
3	0
4	9
5	1
6	9
7	9
8	5
9	7
10	6
11	1
12	5
13	6
14	1
15	4
16	5
17	2
18	3
19	3
20	7
21	2
22	9
23	3
24	8
25	5
26	5
27	0
28	5
29	0
30	9
31	4
32	7
33	7
34	0
35	4
36	8
37	8
38	1
39	8
40	9
41	3
42	7
43	7
44	4
45	9
46	8
47	7
48	2
49	8
50	4
51	9
52	3
53	7
54	1
55	7
56	0
57	4
58	6
59	5
60	8
61	9
62	9
63	5
64	6
65	9
66	2
67	5
68	4
69	1
70	5
71	4
72	5
73	4
74	0
75	8
76	4
77	2
78	3
79	5
80	9
81	2
82	2
83	4
84	5
85	6
86	0
87	8

n	a(n)
1	1
2	2
3	0
4	9
5	1
6	9
7	9
8	5
9	7
10	6
11	1
12	5
13	6
14	1
15	4
16	5
17	2
18	3
19	3
20	7
21	2
22	9
23	3
24	8
25	5
26	5
27	0
28	5
29	0
30	9
31	4
32	7
33	7
34	0
35	4
36	8
37	8
38	1
39	8
40	9
41	3
42	7
43	7
44	4
45	9
46	8
47	7
48	2
49	8
50	4
51	9
52	3
53	7
54	1
55	7
56	0
57	4
58	6
59	5
60	8
61	9
62	9
63	5
64	6
65	9
66	2
67	5
68	4
69	1
70	5
71	4
72	5
73	4
74	0
75	8
76	4
77	2
78	3
79	5
80	9
81	2
82	2
83	4
84	5
85	6
86	0
87	8

n	a(n)
1	1
2	2
3	0
4	9
5	1
6	9
7	9
8	5
9	7
10	6
11	1
12	5
13	6
14	1
15	4
16	5
17	2
18	3
19	3
20	7
21	2
22	9
23	3
24	8
25	5
26	5
27	0
28	5
29	0
30	9
31	4
32	7
33	7
34	0
35	4
36	8
37	8
38	1
39	8
40	9
41	3
42	7
43	7
44	4
45	9
46	8
47	7
48	2
49	8
50	4
51	9
52	3
53	7
54	1
55	7
56	0
57	4
58	6
59	5
60	8
61	9
62	9
63	5
64	6
65	9
66	2
67	5
68	4
69	1
70	5
71	4
72	5
73	4
74	0
75	8
76	4
77	2
78	3
79	5
80	9
81	2
82	2
83	4
84	5
85	6
86	0
87	8